Ride in comfort with these socks, they’ll insulate your feet from heat or cold and absorb and evaporate moisture quickly so your feet stay drier. Made with an exceptional grade of all natural fiber Merino Wool , nylon is added for strength and the addition of Lycra assures a comfortable fit. These socks are super comfy and naturally odor-free. Made in USA. 55% Merino Wool; 40% Nylon; 5% Lycra. Granite. Available in 2" and 5" cuff.